A researcher studies 45 volunteer citizens from a small

Reference no: EM13636146

A researcher studies 45 volunteer citizens from a small community and asks them about the amount of caffeine (in milligrams) they ingest before and after lunch each day, a phenomenon that imagine we know is normally distributed. Which of the following assumptions for the paired-samples t test is not met in this research design?

Select one:

a. All the assumptions are met.

b. The dependent variable is a scale variable.

c. The population is normally distributed.

d. Participants are randomly selected.

Reference no: EM13636146

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